G-SYNC includes a LightBoost sequel for less motion blur than CRT.
When Andy of nVidia was asked whether LightBoost could be combined with G-GSYNC, AndyBNV of nVidia
confirmed on NeoGaf:
AndyBNV said:
“We have a superior, low-persistence mode that should outperform that unofficial [
LightBoost] implementation, and importantly, it will be available on every G-SYNC monitor. Details will be available at a later date.”.
This scientifically confirms strobing is used, because of the law of vision physics — there is scientifically no other way to do LightBoost-matching low-persistence (1ms) modes without ultrahigh refresh rates (e.g. 1000fps@1000Hz) or frame interpolation (e.g. 200fps->1000fps). Since both are unlikely with nVidia G-SYNC, this officially confirms backlight strobing to keep visible frame displaytimes short (aka persistence). In addition, John Carmack
confirmed on twitter that a better backlight strobe driver is included:
John Carmack (@ID_AA_Carmack) on Twitter said:
“@GuerillaDawg the didn’t talk about it, but this includes an improved lightboost driver, but it is currently a choice — gsync or flashed.”
Both statements by Andy and John, are confirmations that official backlight strobing (LightBoost) is part of G-SYNC, a 2D motion blur elimination, finally officially sanctioned by nVidia.
In short, all G-SYNC monitors include a LightBoost sequel:
-- G-SYNC mode: Better for variable framerates (less stutters but more blur)
-- Strobe mode: Better for max framerates 120fps@120Hz (zero motion blur)
Today, GtG (pixel transitions) is now shorter than persistence (pixel staticness), most motion blur today is now caused by persistence, as demoed by
http://www.testufo.com/eyetracking